Activities
2022
PhD examination Hanneke van Heijster WURJohn de Wit (Primary supervisor)
21 Dec 2022
Professorial Promotion Referee for Dr. Jamie Frankis, Glasgow Caledonian University, ScotlandJohn de Wit (Speaker)
26 Oct 2022
PhD examination Wouter Kiekens RUGJohn de Wit (Primary supervisor)
19 Sept 2022
PhD examination Sara Cvetkovska UUJohn de Wit (Primary supervisor)
13 Sept 2022
International Association of Applied Psychology (External organisation)John de Wit (Chair)
Jul 2022 → Jul 2026
Mental health of gay and bisexual men: an intersectional approach.John de Wit (Invited speaker)
17 Jun 2022
, 12th Annual ARPH Conference 2022Teaching Qualification Committee (Basic/Senior)(External organisation)John de Wit (Member)
Jun 2022 → …
PhD examination Hanne Zimmerman UvAJohn de Wit (Primary supervisor)
9 Feb 2022
Swiss National Science Foundation (External organisation)John de Wit (Member)
Feb 2022 → Nov 2022
37th Conference of the European Health Psychology Society (Event)John de Wit (Member)
Feb 2022 → Sept 2023
, 37th Conference of the European Health Psychology Society2021
Tijdschrift voor Seksuologie (Journal)John de Wit (Editor)
Apr 2021 → Aug 2022
University Medical Center Utrecht (External organisation)John de Wit (Chair)
Feb 2021 → Nov 2022
Leerstoel de Wit (Organisational unit)John de Wit (Chair)
Jan 2021 → Mar 2022
Applied Psychology: Health and Well-Being (Journal)John de Wit (Editor)
Jan 2021 → …
University Medical Center Utrecht (External organisation)John de Wit (Member)
2021 → 2022
Universiteit Utrecht (Organisational unit)John de Wit (Chair)
2021 → 2022
2020
International Association of Applied Psychology (External organisation)John de Wit (Member)
Jul 2020 → Jul 2022
Rijksinstituut voor Volksgezondheid en Milieu (RIVM)(External organisation)John de Wit (Chair)
Apr 2020 → …
Utrecht University Steering Group Diversity, Equality & Inclusion (External organisation)John de Wit (Member)
2020 → …
Universiteit Utrecht (Organisational unit)John de Wit (Chair)
2020 → 2021
Universiteit Utrecht (Organisational unit)John de Wit (Member)
2020 → …
Rijksinstituut voor Volksgezondheid en Milieu (RIVM)(External organisation)John de Wit (Member)
2020 → …
National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands. (External organisation)John de Wit (Chair)
2020 → …
Foundation for Scientific Research on Sexuality (External organisation)John de Wit (Chair)
2020 → …
2019
Public Health Service Amsterdam (External organisation)John de Wit (Member)
2019 → …
Institute for Tropical Medicine, Antwerp (External organisation)John de Wit (Member)
2019 → …
2018
Chair, Department of Interdisciplinary Social Science, Utrecht UniversityJohn de Wit (Speaker)
Sept 2018 → …
Global health, public health and Interdisciplinary Social Science - Towards a collaborative research agendaJ.B.F. de Wit (Invited speaker)
22 Mar 2018
Health Psychology Review (Journal)John de Wit (Editorial board member)
2018 → …
Health Psychology Review (Journal)John de Wit (Peer reviewer)
2018 → …
2017
Is sexual behaviour a classic example of a self-control dilemma? Lessons learned from an evidence synthesis guided by Integrative Self-Control Theory.John de Wit (Invited speaker)
4 Jul 2017
, Preconference on The Self-regulation of Health Preceding the 2017 EASP General MeetingSocial diversity and health inequalityJohn de Wit (Invited speaker)
19 Jun 2017
, Invited talk at ERCOMER monthly seminarUniversiteit Utrecht (Organisational unit)John de Wit (Chair)
2017 → …
Universiteit Utrecht (Organisational unit)John de Wit (Chair)
2017 → …
Health Council of the Netherlands (External organisation)John de Wit (Chair)
2017 → 2018
Equipe National d'Intervention en Prevention et Sante (ENIPSE)(External organisation)John de Wit (Chair)
2017 → 2021
22nd International AIDS Conference (AIDS 2018)(External organisation)John de Wit (Chair)
2017 → 2018
2016
Amsterdam Institute for Global Health and Development (External organisation)John de Wit (Chair)
Sept 2016 → …
Faculteiten (Organisational unit)John de Wit (Chair)
2016 → …
14th International Congress of Behavioral Medicine (External organisation)John de Wit (Chair)
2016
2014
Springer (Publisher)John de Wit (Editor)
Jan 2014 → …
Springer (Publisher)John de Wit (Peer reviewer)
2014 → …
28th Conference of the European Health Psychology Society (External organisation)John de Wit (Chair)
2014
2013
HIV in Europe Initiative (External organisation)John de Wit (Chair)
2013 → 2014
Frontiers in Public Health (Journal)John de Wit (Peer reviewer)
2013 → …
AIDS and Behavior (Journal)John de Wit (Peer reviewer)
2013 → …
2012
Springer (Publisher)John de Wit (Editor)
2012 → …
2011
Psychology and Health (Journal)John de Wit (Editor)
2011 → 2022
Psychology and Health (Journal)John de Wit (Peer reviewer)
2011 → …
AIDS Fonds (External organisation)John de Wit (Chair)
2011 → 2017
2010
AIDS (Journal)John de Wit (Peer reviewer)
2010 → 2015
2007
Pursuing complex health goals: meaningful cues for actionJohn de Wit (Invited speaker)
2007
, Presentation at the 21st annual conference of the European Health Psychology Society, Maastricht, The Netherlands.HIV in Europe Initiative (External organisation)John de Wit (Chair)
2007 → …
2006
Development of a sexual self-concept scale for adolescents: accounting for differences in gender and ethnicityJohn de Wit (Invited speaker)
1 May 2006
, The Sixth Conference on Psychology and Health, Kerkrade, May 20061999
Invloed combinatietherapie op preventief gedrag.John de Wit (Invited speaker)
1 Dec 1999
, Congres Wereld AIDS Dag1998
Vaste relatie & onbeschermd anaal contact. Projectbeschrijving en eerste cijfersJohn de Wit (Invited speaker)
30 Nov 1998
, Het derde Nationaal Congres SOA en AIDSSociaal-economische status, opvattingen over veilig vrijen en voorlichtingsfoldersJohn de Wit (Invited speaker)
30 Nov 1998
, Het derde Nationaal Congres SOA en AIDSJongeren en veilig vrijen. Verschillen in determinanten van gedrag bij vaste en losse partnersJohn de Wit (Invited speaker)
30 Nov 1998
, Het derde Nationaal Congres SOA en AIDSSexual risk with romantic partners, is it based on informational or emotional decision-making?John de Wit (Invited speaker)
28 Jun 1998
, Paper at the XII International Conference on AIDSEffective HIV-prevention: the importance of theory, data and community involvementJohn de Wit (Invited speaker)
26 Jun 1998
, Invited paper at the International Symposium on HIV Prevention (Geneva, Switzerland)Socioeconomic differences in HIV risk behavior; are they mediated by motivation or control?John de Wit (Invited speaker)
25 May 1998
, Paper presented at the Second Dutch Conference on Psychology & HealthFear arousing health persuasion: A dual process analysisJohn de Wit (Invited speaker)
25 May 1998
, Paper presented at the Second Dutch Conference on Psychology & HealthSmall-group HIV-interventions for young gay menJohn de Wit (Invited speaker)
23 Jan 1998
, Invited workshop presented at the AIDS Info/Fyn Expert Meeting on HIV-prevention in homosexual menHIV-prevention among young homosexual menJohn de Wit (Invited speaker)
23 Jan 1998
, Invited paper at the AIDS Info/Fyn Expert Meeting on HIV-prevention in homosexual menRelapse-prevention theory increases understanding of consistent condom use with casual partners among gay meJohn de Wit (Invited speaker)
1998
, 12th World AIDS ConferenceNegotiated safety: Does it occur and does it work. New challenges for social and behavioural sciencesJohn de Wit (Invited speaker)
1998
, Second European Conference on the Methods and Results of Social and Behavioural Research on AIDSHow does risk behavior affect health related cognitions? Integrating relaps in social cognition models of health behaviorJohn de Wit (Invited speaker)
1998
, Second Dutch Conference on Psychology and HealthDifferential effects of multiple loss on safe sex intentions and behavior in gay menJohn de Wit (Invited speaker)
1998
, 12th World AIDS ConferenceDeterminants and consequences of sexual risk-taking: How engaging in unprotected sex affects related health beliefs. New challenges for social and behavioural sciencesJohn de Wit (Invited speaker)
1998
, Second European Conference on the Methods and Results of Social and Behavioural Research on AIDS1996
The Information-Motivation-Behavioral Skills Model to explain condom use with steady partners among gay menJohn de Wit (Invited speaker)
7 Jul 1996
, XI International Conference on AIDSThe epidemic of HIV among young gay menJohn de Wit (Invited speaker)
7 Jul 1996
, XI International Conference on AIDSRisk for HIV infection among young gay men: Sexual relations, high risk behavior, and protection motivationJohn de Wit (Invited speaker)
7 Jul 1996
, XI International Conference on AIDS